Burkert 2300 Manuel D'utilisation page 34

10.3.2 replacing the packing gland
The seal set for the packing gland contains
sp10 / sp14
• 1 support ring
• 5 chevron seals
• 2 or 3 pressure rings
12)
• 1 pressure spring
• 1 graphite seal
• Lubricant
sp22
• 1 support ring
• 7 chevron seals
• 2 pressure rings
• 1 pressure spring
• 1 spacer
• 1 graphite seal
• Lubricant
Tab. 18: Seal set for packing gland
depending on the spindle diameter (10 or 14 mm)
12)
34
SP10
SP14
english
Type 2300
Maintenance, cleaning
Danger!
risk of injury from discharge of medium and pressure!
It is dangerous to remove a device which is under pressure due to
the sudden release of pressure or discharge of medium.
▶ Before removing a device, switch off the pressure and vent the lines.
Warning!
risk of injury if the wrong tools are used!
It is dangerous to use unsuitable tools for installation work as the
device may be damaged.
▶ To remove the actuator from the valve body, use an open-end
wrench, never a pipe wrench.
▶ To replace the packing gland, use a special installation wrench,
modified socket wrench or a socket wrench.
▶ Observe tightening torques.
Before the packing gland can be replaced, the actuator must be
removed from the valve body and the control cone removed.